Freelancer profile translated to English.
Back to original languageAbout Miguel
Senior Android Engineer with over 10 years of experience developing mobile applications for banking, telecommunications, retail, and the public sector.
Specialist in Kotlin, Jetpack Compose, Clean Architecture, testing, and software quality.
Experience leading technical initiatives in large-scale Agile environments, working with organizations of over 200 developers.
Currently focused on Android + Artificial Intelligence.
Core Competency:
- Android: Kotlin, Java, Jetpack Compose, Room, SQLite, MVVM, MVI, MVP, Clean Architecture, Coroutines, Flows, Dagger/Hilt.
- Testing:: JUnit5, Mockito, Mockk, Kover.
- DevOps: Git, GitHub, GitLab, Bitbucket, Jenkins, SonarQube, Detekt, Kiuwan, Bamboo.
- Cloud: Firebase, Crashlytics, AppsFlyer.
- AI: Claude Code, OpenCode, ChatGPT, MCP, AI Agents, Automation, LLM Integration, Open specs, Skills.
Spanish
Native or bilingual
English
Basic
Remote only
Primarily works remotely
Experience
- VASSSenior Android Engineer | Mobile Architecture | AINovember 2019 - Today (6 years and 8 months)Madrid, SpainAndroid technical leader in multi-squad Agile teams. Development of critical applications for banking, telecommunications, and retail. Code review, standards definition, and continuous quality improvement. CI/CD integration and AI-driven automation. Design and orchestration of solutions based on AI agents (MCP, AI Agents, Integration of LLMs such as GPT 5.4, GPT 5.3, Sonnet 4.6, Opus 4.8, and Haiku 4.5). Implementation of hybrid architectures (mobile AI).
- TALENTOMOBILESenior Android DeveloperJuly 2019 - November 2019 (4 months)Calle de Zurbano 45, Madrid, SpainAndroid development with Kotlin, Java, MVVM, Dagger, Firebase, and Clean Architecture.Clients: MasMovil, DKV, WiZink, OCR Bankinter, and EY 7P Trip
- IngeniaSenior Android and iOS ProgrammerJanuary 2018 - July 2019 (1 year and 6 months)Málaga, SpainAndroid, iOS, and React Native development with geolocation, Bluetooth, and security.Clients: Emasa (Android), EMT (Android and iOS), Judicial Branch (Android and iOS), Recycling Program of Peñalolén (React-Native), Giahsa (Android), Guadalinfo. (React-Native), and La noche en blanco Málaga (Android and iOS)
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Education
- Claude Code inActionClaude Code in
- Cybersecurity in remote work AI Development: Agents ProgramCiberseguridad en el teletrabajo Desarrollo con IA: Programa con Agentes
Certifications
- AI Course: From 0 to AgentsBIG School2026
- Development with AI: Agents ProgramBIG School2026